Robert Richards IV

This time Robert Richards IV, who is on probation after pleading guilty in 2008 to fourth-degree rape of his daughter is facing a lawsuit by his former wife who accuses him of molesting his toddler son.

The lawsuit filed in Superior Court offers up details about a child rape case that did not ge a lot of media attention.

And the Wilmington News Journal reports authorities never disclosed publicly.

Richards is the son of two prominent Delaware families – the DuPonts and the Richards family.